Base | Representation |
---|---|
bin | 1001001011111001101000… |
… | …11001001001110010100100 |
3 | 2122112010000102010000220110 |
4 | 10211330310121021302210 |
5 | 10121424311202431040 |
6 | 110543445202133020 |
7 | 4153260363461400 |
oct | 445746431116244 |
9 | 78463012100813 |
10 | 20200110202020 |
11 | 6488900658691 |
12 | 2322b00051170 |
13 | b36b293a91b8 |
14 | 4db994c28100 |
15 | 2506b7d27980 |
hex | 125f34649ca4 |
20200110202020 has 288 divisors, whose sum is σ = 66138084230400. Its totient is φ = 4593103958016.
The previous prime is 20200110201991. The next prime is 20200110202021. The reversal of 20200110202020 is 2020201100202.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 20200110201987 and 20200110202005.
It is not an unprimeable number, because it can be changed into a prime (20200110202021) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 773374521 + ... + 773400639.
It is an arithmetic number, because the mean of its divisors is an integer number (229646125800).
Almost surely, 220200110202020 is an apocalyptic number.
20200110202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20200110202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33069042115200).
20200110202020 is an abundant number, since it is smaller than the sum of its proper divisors (45937974028380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200110202020 is a wasteful number, since it uses less digits than its factorization.
20200110202020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27507 (or 27498 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20200110202020 its reverse (2020201100202), we get a palindrome (22220311302222).
The spelling of 20200110202020 in words is "twenty trillion, two hundred billion, one hundred ten million, two hundred two thousand, twenty".
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